How far is Alma from Block Island, RI?

The distance between Block Island (Block Island State Airport) and Alma (Alma Airport) is 507 miles / 816 kilometers / 440 nautical miles.

The driving distance from Block Island (BID) to Alma (YTF) is 615 miles / 989 kilometers, and travel time by car is about 13 hours 33 minutes.

Distance from Block Island to Alma

There are several ways to calculate the distance from Block Island to Alma. Here are two standard methods:

Vincenty's formula (applied above)

• 506.908 miles
• 815.789 kilometers
• 440.491 nautical miles

Vincenty's formula calculates the distance between latitude/longitude points on the earth's surface using an ellipsoidal model of the planet.

Haversine formula

• 507.211 miles
• 816.277 kilometers
• 440.754 nautical miles

The haversine formula calculates the distance between latitude/longitude points assuming a spherical earth (great-circle distance – the shortest distance between two points).

How long does it take to fly from Block Island to Alma?

The estimated flight time from Block Island State Airport to Alma Airport is 1 hour and 27 minutes.

What is the time difference between Block Island and Alma?

There is no time difference between Block Island and Alma.

Flight carbon footprint between Block Island State Airport (BID) and Alma Airport (YTF)

On average, flying from Block Island to Alma generates about 100 kg of CO2 per passenger, and 100 kilograms equals 220 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from Block Island to Alma

See the map of the shortest flight path between Block Island State Airport (BID) and Alma Airport (YTF).

Airport information

Origin	Block Island State Airport
City:	Block Island, RI
Country:	United States
IATA Code:	BID
ICAO Code:	KBID
Coordinates:	41°10′5″N, 71°34′40″W

Destination	Alma Airport
City:	Alma
Country:	Canada
IATA Code:	YTF
ICAO Code:	CYTF
Coordinates:	48°30′32″N, 71°38′30″W